Libellula pulchella
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Libellula pulchella ♂ |
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| Scientific name | ||||||||||||
| Libellula pulchella | ||||||||||||
| ( Drury , 1773) |
Twelve-spotted skimmer is a dragonfly - Art of the genus Libellula of the subfamily Libellulinae . Their distribution area extends over the entire USA and southern Canada.
features
Construction of the Imago
The animal reaches a length of 51 to 58 millimeters, of which 32 to 36 millimeters are on the abdomen . Libellula pulchella is predominantly brown and is characterized in particular by its striking wing pattern. At the base, as well as at the nodus and the wing tips, there are brown or black points or bands. Adult males develop two white spots in each wing. The hind wings reach a length of 42 to 49 millimeters. The face is dark yellowish brown. The thorax is brown and has two yellow stripes on the sides. The legs are brown at the base but black below. The abdomen is brown and has an uninterrupted yellow stripe on the side. There is also a narrow yellow stripe in the middle on the top. The abdomen appendages are brown but darken with age. In the females, the eighth segment is also widened.
Construction of the larva
The larvae have eyes located in the center of the face and a long abdomen that tapers towards the end. The edge of the unpaired front part of the labium , the so-called prementum, is smooth.
Web links
credentials
- ↑ a b http://odonatacentral.bfl.utexas.edu/fieldguide/species.asp?taxaid=234 ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice. (June 15, 2006)
- ↑ Jerrell James Daigle: Florida Dragonflies (Anisoptera): A Species Key to the Aquatic Larval Stages . In: Technical Series . 12, No. 1, November 1992, p. 23.
